Finding the Fourth Proportional to 2,401.77, 3,600.19 and 920.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.77 : 3,600.19 = 920.59 : x
2. Step 2: Convert to fraction form
   2,401.77/3,600.19 = 920.59/x
3. Step 3: Cross multiply
   2,401.77x = 3,600.19 × 920.59
4. Step 4: Simplify right side
   2,401.77x = 3,314,285.31
5. Step 5: Solve for x
   x = 3,314,285.31/2,401.77
6. Step 6: Final answer
   x = 1,379.93